The IS0120 conventional visual and audible alarm signaller is designed to provide effective alerts in compliance with the latest standards, thanks to its optical component certified to EN54-23. Ideal for both indoor and outdoor environments, it features IP65-rated protection (in the deep base version) and operates at 17–60 Vdc supply. The device allows tone selection from 32 options via internal DIP switches, adjustment of the flash frequency (0.5 Hz or 1 Hz), and choice between two volume levels. Supplied with a mounting base, it offers a versatile and reliable solution for immediate and effective visual and audible signaling.